help with gray spots on leaves!!

high times

Active Member
ok one of my plants just developed these today please help
water ph is 6
soil ph is a 7

no nutes for the time being but will use 24-8-16 w/ drop of superthrive

i have a 2 liter CO2 setup

its about 2-3 weeks old grown from seed

using 4 23w cfls and 2 4' 2 bulb 6500k floros

temp ranges from 71-75 and humidity goes from 49%-60%
please help i dont want this one to die so far its my best one
 

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